<?php

namespace App\V3\V3_1\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class ProductHistoryModel extends Model
{
    use HasFactory;

    protected $table   = 'product_history';
    protected $dateFormat = 'U';//这个时间字段被为被格式化为UNIX 时间戳的形式存储
}
